491985120560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{866293}}^1$

素因数の和:866566

約数の個数: 80

約数和(自身を含む): 1185921834240

約数和(自身を除く): 693936713680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 229, 248, 310, 458, 496, 620, 916, 1145, 1240, 1832, 2290, 2480, 3664, 4580, 7099, 9160, 14198, 18320, 28396, 35495, 56792, 70990, 113584, 141980, 283960, 567920, 866293, 1732586, 3465172, 4331465, 6930344, 8662930, 13860688, 17325860, 26855083, 34651720, 53710166, 69303440, 107420332, 134275415, 198381097, 214840664, 268550830, 396762194, 429681328, 537101660, 793524388, 991905485, 1074203320, 1587048776, 1983810970, 2148406640, 3174097552, 3967621940, 6149814007, 7935243880, 12299628014, 15870487760, 24599256028, 30749070035, 49198512056, 61498140070, 98397024112, 122996280140, 245992560280, 491985120560]

約数ペア:

[(1, 491985120560), (2, 245992560280), (4, 122996280140), (5, 98397024112), (8, 61498140070), (10, 49198512056), (16, 30749070035), (20, 24599256028), (31, 15870487760), (40, 12299628014), (62, 7935243880), (80, 6149814007), (124, 3967621940), (155, 3174097552), (229, 2148406640), (248, 1983810970), (310, 1587048776), (458, 1074203320), (496, 991905485), (620, 793524388), (916, 537101660), (1145, 429681328), (1240, 396762194), (1832, 268550830), (2290, 214840664), (2480, 198381097), (3664, 134275415), (4580, 107420332), (7099, 69303440), (9160, 53710166), (14198, 34651720), (18320, 26855083), (28396, 17325860), (35495, 13860688), (56792, 8662930), (70990, 6930344), (113584, 4331465), (141980, 3465172), (283960, 1732586), (567920, 866293)]